US3871724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch bearings
Assignee: SKF Industrial Trading and Development Co BV
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Filing: 1973-03-30
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Granted: 1975-03-18
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Expires: 1993-03-30
Abstract
Abstract A clutch bearing in which a bowl shaped outer ring having a central bore, and a bowl shaped inner ring having a cylindrically shaped central portion extending within the central bore are assembled within each other and have a plurality of bearing elements located between them. A sleeve is located about the cylindrical portion of the inner ring. The sleeve has a free end extending radially outward over the edge of the bore of the outer ring to hold the inner and outer rings together.
Inventors
- 👤 Manfred Brandenstein
- 👤 Armin Olschewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:54
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16D; F16D23/00; F16D23/12; F16D23/14; F16D23/147; F16C2361/00; F16C2361/43
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
146 words
A clutch bearing comprising a sheet metal bowl shaped outer ring having a central bore, a sheet metal bowl shaped inner ring having a cylindrically shaped central portion extending within said central bore and a plurality of ball bearing elements located between said inner and outer rings, said outer ring being cylindrically extended to form a sleeve adapted to seat within a conforming bore, and having means extending radially outward therefrom to receive an operating lever, whereby said outer ring may be axial and radially moved relative to said inner ring, a cylindrical sleeve located within the central bore of the outer ring about the extending cylindrical portion of the inner ring, said sleeve being secured to said central portion and having a free end extending radially outward over the edge of the bore of the outer ring to hold said inner and outer rings together.
Claim 2
Dependent Claim
146 words
A clutch bearing comprising a sheet metal bowl shaped outer ring having a central bore, a sheet metal bowl shaped inner ring having a cylindrically shaped central portion extending within said central bore and a plurality of ball bearing elements located between said inner and outer rings, said outer ring being cylindrically extended to form a sleeve adapted to seat within a conforming bore, and having means extending radially outward therefrom to receive an operating lever, whereby said outer ring may be axial and radially moved relative to said inner ring, a cylindrical sleeve located within the central bore of the outer ring about the extending cylindrical portion of the inner ring, said sleeve being secured to said central portion and having a free end extending radially outward over the edge of the bore of the outer ring to hold said inner and outer rings together.
Claim 3
Dependent Claim
18 words
The clutch bearing according to claim 1 wherein said sleeve is force fit about said cylindrical central portion.
Claim 4
Dependent Claim
23 words
The clutch bearing according to claim 1 wherein said ball bearing elements are held in a cage and run against inclined race surfaces.
Claim 5
Dependent Claim
50 words
The clutch bearing according to claim 1 wherein said outer race ring has a radially outer elongated shell adapted to seat within a cylindrical bore, said shell being provided with diametrically opposed lobes, said lobes being bent into a U-shape and adapted to receive the ends of an operating lever.
Claim 6
Dependent Claim
28 words
The clutch bearing according to claim 1 wherein the radially extending free edge of the sleeve encloses the central bore of the bearing and forms a lubricant chamber.
Claim 7
Dependent Claim
19 words
The clutch bearing according to claim 1, wherein said cylindrical sleeve is separable from said inner and outer rings.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |